208719745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103583}}^1$

素因数の和:103632

約数の個数: 16

約数和(自身を含む): 278433792

約数和(自身を除く): 69714047

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 103583, 517915, 1346579, 3211073, 6732895, 16055365, 41743949, 208719745]

約数ペア:

[(1, 208719745), (5, 41743949), (13, 16055365), (31, 6732895), (65, 3211073), (155, 1346579), (403, 517915), (2015, 103583)]